Integrated Engineering Performance ECU FlashRequires Integrated Engineering POWERLink OBDII Dongle (IESOVU7). Select option to add if required. TRUE PERFORMANCE MACHINE Your Audi RS3 or TTRS has a massive amount of power hiding within the 2. 5L inline 5 cylinder turbo engine. Unlock supercar levels of performance in a matter of minutes from your own driveway with your choice of ECU Tune stages to match available performance hardware upgrades. MAXIMIZED OUTPUT IE ECU calibrations are dedicated
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